Our bathroom remodeling process begins by taking the surface off the old walls, then removing any black mold and water damage. We replace the old plumbing (and bathtub if required). Then we build a waterproof envelope, using either the Schluter, or Wedi waterproofing systems, before installing new tile. The price is similar to having a skin placed over the existing tub and surround, but the results are far superior. The problem with a tub surround installation, is that it does not address the problems of old, tired plumbing and significant moisture penetration. The old moldy walls are simply covered over. more... See more text